1. Methanol to Aromatics Gabrianna Ruskowsky Mentor: David Bell
Chemical Engineering
University of Wyoming

2. overview Project Overview Methanol to Aromatic Products
Specialized Catalyst
One Reactor and Multiple Separator Design
Specific Contributions
Environment Concerns
Global Awareness
Project Recommendations

3. Methanol
Chemical Formula- CH3OH
Price- $0.14/ lb
Sensitivity

4. Benzene & Toluene
Benzene
Toluene

5. Xylene’s
Ortho-Xylene
Meta-Xylene
Para-Xylene

6. Xylene’s Para-Xylene and Ortho-Xylene
Other Processes Meta-Xylene Dominated
Order of Value
Para-Xylene
Ortho-Xylene
Meta-Xylene

7. Catalyst ZSM-5 (Zeolite Socony Mobil-5)
Zeolite Catalyst with Silver Ion Impregnation

8. Process Block Diagram

9. Environmental Concerns
Water Emissions from Methanol/Water Separator
Air Emissions from Furnace

10. Benzene Ethylbenzene Toluene Xylenes (total) Contaminant MCLG (mg/L)
MCL or TT (mg/L)
Potential Health Effects from Long-Term Exposure Above the MCL
Benzene
zero
0.005
Anemia; decrease in blood platelets; increased risk of cancer
Ethylbenzene
0.7
Liver or kidneys problems
Toluene 1
Nervous system, kidney, or liver problems
Xylenes (total) 10
Nervous system damage

11. CAS Number
Chemical Name
71432
Benzene (including benzene from gasoline)
100414
Ethyl benzene
110543
Hexane
67561
Methanol
91203
Naphthalene
108883
Toluene
Xylenes (isomers and mixture)
95476
o-Xylenes
108383
m-Xylenes
106423
p-Xylenes

12. Combustion Emissions Natural Gas Feedstock NOx and SOx CO and CO2 N2O
Particulate Matter

13. Global Awareness Price Comparisons Emissions Requirements
Methanol
Natural Gas
Emissions Requirements
Xylene Demand

14. Project Recommendations
Price Lock-Ins
Natural Gas Plant Attachment
Day to Day Variations

15. Questions?